Group 6

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3.3 f. Activity

1. Group Name - Include teacher names.
Deirdre Scott and Connie Egan
2. Headline: 157 seconds to Apoclypse

Questions:

• What is the trigger that starts the machine?
• The initial trigger was the human lever which pulled the mechanical lever to start the process
• How many different forms of energy are used to operate the machine? Provide statistics.

Types of energy
Mechanical energy (KE)
Light - as objects moved along the timeline
Sound- whenever an object moved along a surface
Gravitational Potential Energy (every time something dropped from a height differential)
Potential energy (stored in spring)

• What is the most important form of energy used by the machine? Gravitational potential energy